cpython/Lib/test/test_tools/test_i18n.py

73 lines
2.5 KiB
Python

"""Tests to cover the Tools/i18n package"""
import os
import unittest
from test.support.script_helper import assert_python_ok
from test.test_tools import skip_if_missing, toolsdir
from test.support import temp_cwd
skip_if_missing()
class Test_pygettext(unittest.TestCase):
"""Tests for the pygettext.py tool"""
script = os.path.join(toolsdir,'i18n', 'pygettext.py')
def get_header(self, data):
""" utility: return the header of a .po file as a dictionary """
headers = {}
for line in data.split('\n'):
if not line or line.startswith(('#', 'msgid','msgstr')):
continue
line = line.strip('"')
key, val = line.split(':',1)
headers[key] = val.strip()
return headers
def test_header(self):
"""Make sure the required fields are in the header, according to:
http://www.gnu.org/software/gettext/manual/gettext.html#Header-Entry
"""
with temp_cwd(None) as cwd:
assert_python_ok(self.script)
with open('messages.pot') as fp:
data = fp.read()
header = self.get_header(data)
self.assertIn("Project-Id-Version", header)
self.assertIn("POT-Creation-Date", header)
self.assertIn("PO-Revision-Date", header)
self.assertIn("Last-Translator", header)
self.assertIn("Language-Team", header)
self.assertIn("MIME-Version", header)
self.assertIn("Content-Type", header)
self.assertIn("Content-Transfer-Encoding", header)
self.assertIn("Generated-By", header)
# not clear if these should be required in POT (template) files
#self.assertIn("Report-Msgid-Bugs-To", header)
#self.assertIn("Language", header)
#"Plural-Forms" is optional
def test_POT_Creation_Date(self):
""" Match the date format from xgettext for POT-Creation-Date """
from datetime import datetime
with temp_cwd(None) as cwd:
assert_python_ok(self.script)
with open('messages.pot') as fp:
data = fp.read()
header = self.get_header(data)
creationDate = header['POT-Creation-Date']
# peel off the escaped newline at the end of string
if creationDate.endswith('\\n'):
creationDate = creationDate[:-len('\\n')]
# This will raise if the date format does not exactly match.
datetime.strptime(creationDate, '%Y-%m-%d %H:%M%z')